0
Social Sciences
The study of human society and of individual relationships in and to society.
5,538 Questions
How to conserve flora and fauna?
we can protect the flora and fauna by protecting them.
We can conserve flora & fauna of a place by educating the local community of that area and also enacting the rules and regulation for this purpose.
How accurately can you tell the temperature of an object by touch?
Touch is subjective and can vary from person to person, making it unreliable for accurately determining the temperature of an object. Factors such as skin sensitivity, environmental conditions, and prior contact with different temperatures can influence how an object feels to the touch. For specific temperature measurements, it is best to use a thermometer.
Is tap water a mechanical mixture or a solution?
Unless you have some abnormal issues, the liquid flowing from your tap is (mainly) a solution. Mechanical mixtures can be separated by mechanical means (a sieve, magnet,etc.) Solutions can not.
Your tap water should consist of H2O (water), some dissolved minerals and metals (in solution), and some dissolved gasses (including the gasses forced into the water by the aerator on your faucet--this is why if you leave a glass of tap water out overnight bubbles will form on the sides; it's the dissolved gasses collecting on the sides of the glass.)
If you have any specific questions, feel free to ask me directly at truthispainful.com
No. It's EVERYTHING that was filtered out of your blood minus those substances reabsorbed by the kidney. Thus it changes every day.
A balloon rises because it is filled with a gas that is lighter than the surrounding air, typically helium or hot air. The lighter gas creates buoyant force, lifting the balloon off the ground.
Plasma is the liquid part of blood that carries nutrients, hormones, and waste products throughout the body. It also helps regulate body temperature and maintain blood pressure. Additionally, plasma plays a key role in the immune system by carrying antibodies and other proteins that help defend against infections.
What do magnets do in a scrap yard?
Magnets in a scrap yard are used to separate ferrous metals (such as iron and steel) from non-ferrous metals. When the magnet is turned on and passed over a pile of mixed metals, it attracts the ferrous materials while allowing the non-ferrous materials to remain behind for further processing or recycling.
Why does friction increase as speed increases?
Explained using the Big Idea Of Particles:the faster you go, the more air you have bashing into your surface.
Imagine the molecules comprising air were the size of basket-balls.
at walking speed, you'd only have 5 or 6 basket balls hitting you in the face every minute or so and they'd only hit you at walking pace. When you move up to running speed, you suddenly have 15 or so basket balls hitting you in the face every minute at running pace. Riding on a bicycle, you have between 30 and 40 basket balls hitting you in the face every minute at a very high speed.
So the faster you go, the more basket balls you have hitting you at a higher speed. These two factors multiply together to give the friction force which increases as a square factor of your speed, (i.e. increase speed by 2, you have 2x the basketballs hitting you 2x as fast which equals 2x2 = 4 times the friction force).
because the faster something is, the greater the friction is. like, here's an example. get your stubby little hand and start to rub it across the carpet. well don't just sit there actually do it you lazy homosapien! start to rub it softly, and then start to rub it all fast! as you can see, the faster you rub, the hotter your hand is, because of friction. but you weren't supposed to do it that hard and that's why your hand burns so badly.
What Does The Force Of Gravity Do?
The force of gravity is responsible for pulling objects towards each other. It creates the attractive force that keeps us grounded on Earth and governs the motion of celestial bodies in space. This force is determined by the mass of the objects and the distance between them.
What is the scientific definition of a compound?
A compound is a substance formed when two or more chemical elements are chemically bonded together in a fixed ratio by mass. It has a unique chemical structure and properties different from its constituent elements.
What is potential energy called that depends on height?
Gravitational potential energy - it depends on the distance from the centre of gravity, so on Earth it depends on the height above the Earth's surface
A frame of reference is a coordinate system used to define the position and motion of objects. It provides a point of view or context from which observations are made and measurements are taken. Different frames of reference can yield different descriptions of the same event, depending on the observer's perspective.
How does lightning affect buildings?
Lightning can cause damage to buildings by starting fires, creating power surges that can damage electrical systems, and causing structural damage due to the intense heat and pressure generated. Buildings with lightning protection systems can help mitigate these risks by safely directing the electrical charge into the ground.
What types of surfaces absorb heat?
Surfaces that are dark in color, rough, and have a low albedo (reflectivity) tend to absorb more heat. Common examples include asphalt, concrete, and dark-colored metals like iron. These surfaces absorb solar radiation and convert it into heat energy.
What are some examples of radient energy?
Some examples of radiant energy include sunlight, heat from a fire, and visible light from a light bulb. It is a form of energy that travels through space in the form of electromagnetic waves.
How are mass and weight the same?
Mass and weight are related but not the same. Mass is a measure of the amount of matter in an object, while weight is the force of gravity acting on an object's mass. Mass is constant, while weight can change depending on the strength of gravity. They are proportional to each other, as weight = mass x acceleration due to gravity.
What force of attraction that exists between all objects in the universe?
Gravity is the force of attraction that exists between all objects in the universe.
How can you find the speed and velocity of an object?
Speed equals the total of distance traveled divided by the total time of travel example: A bicycle total distance is 5km. The total of time is 1/4 of a hour 0.25 a hour.
speed=5km/0.25h=20km per hour
The two branches of physical science?
there's not two branches of physical science...
They're 5:
Qualitative Chemistry
Quantitative Chemistry
In organic Chemistry
Organic Chemistry
Bio Chemistry
Physical Science or also known as Chemistry...
Hope it's right.. -Andrea Lin-
Where does energy go when it seems to disappear?
When it seems like energy has disappeared, it has actually been transformed into another form. Energy cannot be created or destroyed, only converted. For example, in a battery-operated device, the electrical energy is converted into other forms like light, heat, or mechanical movement.
If a pulling force is exerted on an elastic band then it .?
If a pulling force is exerted on an elastic band, it will stretch and store potential energy as the elastic band is deformed. The band will exert a restoring force back in the opposite direction to its original shape, trying to regain its unstretched position once the external force is removed.
How are your senses important for identifying physical properties of matter?
Our senses play a crucial role in identifying physical properties of matter by allowing us to observe characteristics such as color, texture, smell, taste, and sound. For example, we can use our sense of touch to determine if a material is rough or smooth, or our sense of sight to identify its color. So essentially, our senses provide us with valuable information about the physical properties of matter in our environment.
How accurstely can you tell the temperature of an object by touch?
Touch alone is not an accurate method for determining the temperature of an object because our sense of touch is not precise. It can give a general idea if something is hot or cold, but to get an accurate temperature measurement, it is best to use a thermometer.
